<template>
     <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="" />
      </div>
      <el-form
        label-width="0px"
        class="login_form"
        :model="loginform"
        :rules="loginformrules"
        ref="loginformref"
      >
        <!--帐号-->
        <el-form-item prop="username">
          <el-input
            prefix-icon="iconfont icon-user"
            v-model="loginform.username"
          ></el-input>
        </el-form-item>
        <!--密码-->
        <el-form-item prop="password">
          <el-input
            show-password
            prefix-icon="iconfont icon-3702mima"
            v-model="loginform.password"
          ></el-input>
        </el-form-item>
        <el-form-item class="btns">
          <el-button type="primary" @click="login">确定</el-button>
          <el-button type="info" @click="cleartxt">取消</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      loginform: {
        username: 'admin',
        password: '123456'
      },
      loginformrules: {
        username: [
          { required: true, message: '请输入帐号', trigger: 'blur' },
          { min: 3, max: 12, message: '长度在 3 到12 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 18, message: '长度在 6 到 8 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    cleartxt: function() {
      // 重置内容
      this.$refs.loginformref.resetFields()
      // console(this)
    },
    login: function() {
      this.$refs.loginformref.validate(async valid => {
        // eslint-disable-next-line no-useless-return
        if (!valid) return
        // es6语法解构
        const { data: res } = await this.$http.post('login', this.loginform)
        if (res.meta.status !== 200) {
         // this.$message.error('登陆失败')

          return console.log('登陆失败')
        } else {
         // this.$message.success('登陆成功')
          console.log('登陆成功')
          // js保存起来.本地储存起来
          window.sessionStorage.setItem('token', res.data.token)
          // 编程式导航
          this.$router.push('/home')
        }
      })
    }
  }
}
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}

.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);

  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}

.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}

.btns {
  display: flex;
  justify-content: flex-end;
}
</style>